IPC Main Group
G03C 8/00 Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- Subclass:
- PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR OR STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
Filing statistics
IPC G03C 8/00 belongs to the parent subclass G03C, which recorded 1,220 patent applications worldwide between 2013 and 2023. Annual filings declined from 148 in 2013 to 73 in 2023 (-51%), peaking at 167 applications in 2014. The most active applicants in class G03 are CANON (31,416 applications), CANON (17,469 applications) and KYOCERA DOCUMENT SOLUTIONS (9,845 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
DIFFUSION transfer processesprocesses for PHOTOGRAPHY
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G03C 8/02 Photosensitive materials characterised by the image-forming section
- G03C 8/24 Photosensitive materials characterised by the image-receiving section
- G03C 8/3 Additive processes using colour screens; Materials therefor; Preparing or processing such materials
- G03C 8/32 Development processes or agents therefor
- G03C 8/42 Structural details
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON 31,416
- CANON JP 17,469
- KYOCERA DOCUMENT SOLUTIONS 9,845
- RICOH COMPANY 9,807
- ASML NETHERLANDS NL 9,427
- FUJIFILM JP 7,225
- KONICA MINOLTA CORPORATION 7,216
- FUJI XEROX COMPANY 5,711
- CARL ZEISS SMT DE 4,971
- RICOH COMPANY JP 4,123